8rp8jn5jmd 8rp8jn5jmd 13-04-2021 Mathematics contestada 9. Which of the following is the interquartile range of the data set shown below? (1) 5.5 (2) 7 (3) 10.5 (4) 21 19, 22, 25, 28, 28, 32, 32, 32, 34, 40